<script setup lang="ts">
import {ref,computed,onMounted} from 'vue'
import type{ ConsultIllness ,Image} from "@/types/consult";
import type { UploaderAfterRead, UploaderFileListItem } from 'vant/lib/uploader/types'
import {updateImage} from '@/services/consult'
import { showToast,showConfirmDialog  } from 'vant';
import {useConsultStore} from '@/stores/consult'
import { useRouter } from 'vue-router';
import {timeOptions,flagOptions} from '@/services/constants'
const form=ref<ConsultIllness>({
    illnessDesc:'',
    illnessTime:undefined,
    consultFlag:undefined,
    pictures:[]
})
const fileImg=ref<Image[]>([])
// 删除图片
const onDeleteImg=(item:UploaderFileListItem)=>{
    form.value.pictures=form.value.pictures?.filter(pic => pic.url !==item.url)
}
// 图片上传
const onAfterRead:UploaderAfterRead=(item)=>{
    if (Array.isArray(item)) return
    if (!item.file) return
    item.status ='uploading'
    item.message='上传中'

    updateImage(item.file).then((res)=>{
        item.status='done'
        item.message=undefined
        item.url=res.data.url
        form.value.pictures?.push(res.data)
    }).catch((err)=>{
        item.status='failed'
        item.message='上传失败'
    })
}
//下一步按钮样式
const disabled=computed(()=>{
    return !form.value.illnessDesc  ||  form.value.illnessTime ===undefined || form.value.consultFlag ===undefined
})
const store=useConsultStore()
const router=useRouter()

//下一步表单校验
const next=()=>{
    if (!form.value.illnessDesc) return showToast('请填写病情')
    if (form.value.illnessTime===undefined) return showToast('请选择患病时间')
    if (form.value.consultFlag===undefined) return showToast('请选择是否就诊过')
    store.setIllness(form.value)
    router.push('/user/patient?isChange=1')
}

// 回显示数据
onMounted(()=>{
    if (store.consult.illnessDesc) {
        showConfirmDialog({
            title: '温馨提示',
            message:'是否恢复你之前填写的病情信息',
            closeOnPopstate:false
        }).then(() => {
            const {illnessDesc,illnessTime,consultFlag,pictures}=store.consult
            form.value={illnessDesc,illnessTime,consultFlag,pictures}
            fileImg.value=pictures || []
            // on confirm
        }).catch(() => {
            // on cancel
        })
    }
})
</script>

<template>
  <div class="consult-illness-page">
    <cp-nav-bar title="图文问诊" />
    <!-- 医生提示 -->
    <div class="illness-tip van-hairline--bottom">
      <img class="img" src="@/assets/avatar-doctor.svg" />
      <div class="info">
        <p class="tit">在线医生</p>
        <p class="tip">
          请描述你的疾病或症状、是否用药、就诊经历，需要我听过什么样的帮助
        </p>
        <p class="safe">
          <cp-icon name="consult-safe" /><span>内容仅医生可见</span>
        </p>
      </div>
    </div>
    <!-- 收集信息 -->
    <div class="illness-form">
      <van-field
        type="textarea"
        rows="3"
        placeholder="请详细描述您的病情，病情描述不能为空"
        v-model="form.illnessDesc"
      ></van-field>
      <div class="item">
        <p>本次患病多久了？</p>
        <cp-radio-btn :options="timeOptions" v-model="form.illnessTime"></cp-radio-btn>
      </div>
      <div class="item">
        <p>此次病情是否去医院就诊过？</p>
        <cp-radio-btn :options="flagOptions" v-model="form.consultFlag"></cp-radio-btn>
      </div>
      <div class="illness-img">
        <van-uploader 
            upload-icon="photo-o" 
            :after-read="onAfterRead" 
            :max-size="5*1025*1024" 
            :max-count="8" 
            upload-text="上传图片"
            @delete="onDeleteImg"
            v-model="fileImg"
            />
        <p class="tip" v-if="!fileImg.length" >上传内容仅医生可见,最多9张图,最大5MB</p>
      </div>

      <van-button @click="next" :class={disabled}  type="primary" block round>下一步</van-button>

    </div>
  </div>
</template>

<style lang="scss" scoped>
.consult-illness-page {
  padding-top: 46px;
}
.illness-tip {
  display: flex;
  padding: 15px;
  .img {
    width: 52px;
    height: 52px;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 10px;
  }
  .info {
    flex: 1;
    padding-left: 12px;
    .tit {
      font-size: 16px;
      margin-bottom: 5px;
    }
    .tip {
      padding: 12px;
      background: var(--cp-bg);
      color: var(--cp-text3);
      font-size: 13px;
      margin-bottom: 10px;
    }
    .safe {
      font-size: 10px;
      color: var(--cp-text3);
      display: flex;
      align-items: center;
      .cp-icon {
        font-size: 12px;
        margin-right: 2px;
      }
    }
  }
}
.illness-form {
  padding: 15px;
  .van-field {
    padding: 0;
    &::after {
      border-bottom: none;
    }
  }
  .item {
    > p {
      color: var(--cp-text3);
      padding: 15px 0;
    }
  }
}
.illness-img {
  padding-top: 16px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  .tip {
    font-size: 12px;
    color: var(--cp-tip);
  }
  ::v-deep() {
    .van-uploader {
      &__preview {
        &-delete {
          left: -6px;
          top: -6px;
          border-radius: 50%;
          background-color: var(--cp-primary);
          width: 20px;
          height: 20px;
          &-icon {
            transform: scale(0.9) translate(-22%, 22%);
          }
        }
        &-image {
          border-radius: 8px;
          overflow: hidden;
        }
      }
      &__upload {
        border-radius: 8px;
      }
      &__upload-icon {
        color: var(--cp-text3);
      }
    }
  }
}  
.van-button {
  font-size: 16px;
  margin-bottom: 30px;
  &.disabled {
    opacity: 1;
    background: #fafafa;
    color: #d9dbde;
    border: #fafafa;
  }
}

</style>
